Detections
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NewStart CGSL MAIN 5.04 : ruby Multiple Vulnerabilities (NS-SA-2019-0013)
critical Nessus Plugin ID 127164
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Synopsis
The remote machine is affected by multiple vulnerabilities.Description
The remote NewStart CGSL host, running version MAIN 5.04, has ruby packages installed that are affected by multiple vulnerabilities:- A buffer overflow vulnerability was found in the JSON extension of ruby. An attacker with the ability to pass a specially crafted JSON input to the extension could use this flaw to expose the interpreter's heap memory.
(CVE-2017-14064)
- The lazy_initialize function in lib/resolv.rb did not properly process certain filenames. A remote attacker could possibly exploit this flaw to inject and execute arbitrary commands. (CVE-2017-17790)
- It was discovered that the Net::FTP module did not properly process filenames in combination with certain operations. A remote attacker could exploit this flaw to execute arbitrary commands by setting up a malicious FTP server and tricking a user or Ruby application into downloading files with specially crafted names using the Net::FTP module. (CVE-2017-17405)
- A buffer underflow was found in ruby's sprintf function.
An attacker, with ability to control its format string parameter, could send a specially crafted string that would disclose heap memory or crash the interpreter.
(CVE-2017-0898)
- It was found that the decode method of the OpenSSL::ASN1 module was vulnerable to buffer underrun. An attacker could pass a specially crafted string to the application in order to crash the ruby interpreter, causing a denial of service. (CVE-2017-14033)
- It was found that WEBrick did not sanitize all its log messages. If logs were printed in a terminal, an attacker could interact with the terminal via the use of escape sequences. (CVE-2017-10784)
- It was found that rubygems did not sanitize gem names during installation of a given gem. A specially crafted gem could use this flaw to install files outside of the regular directory. (CVE-2017-0901)
- It was found that rubygems could use an excessive amount of CPU while parsing a sufficiently long gem summary. A specially crafted gem from a gem repository could freeze gem commands attempting to parse its summary.
(CVE-2017-0900)
- A vulnerability was found where rubygems did not sanitize DNS responses when requesting the hostname of the rubygems server for a domain, via a _rubygems._tcp DNS SRV query. An attacker with the ability to manipulate DNS responses could direct the gem command towards a different domain. (CVE-2017-0902)
- A vulnerability was found where rubygems did not properly sanitize gems' specification text. A specially crafted gem could interact with the terminal via the use of escape sequences. (CVE-2017-0899)
- A vulnerability was found where the rubygems module was vulnerable to an unsafe YAML deserialization when inspecting a gem. Applications inspecting gem files without installing them can be tricked to execute arbitrary code in the context of the ruby interpreter.
(CVE-2017-0903)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade the vulnerable CGSL ruby packages. Note that updated packages may not be available yet. Please contact ZTE for more information.See Also
Plugin Details
Severity: Critical
ID: 127164
File Name: newstart_cgsl_NS-SA-2019-0013_ruby.nasl
Version: 1.5
Type: local
Published: 8/12/2019
Updated: 5/19/2022
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 7.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2017-17405
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2017-17790
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/ZTE-CGSL/release, Host/ZTE-CGSL/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 7/17/2019
Vulnerability Publication Date: 8/31/2017
Reference Information
CVE: CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-0902, CVE-2017-0903, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17405, CVE-2017-17790